Security Engineer

Semaphore CI
Serbia
Workplace: RemoteFull timeFunction: CybersecuritySkills: ["Ownership","Risk judgment","Communication","Independent work","Sound judgment"]

Own Semaphore’s technical information security program across infrastructure and internal systems. Run vulnerability management end-to-end, operate and improve security monitoring/SIEM, and lead technical response to security incidents. Harden Linux hosts, cloud, networks, firewalls, containers, and IAM/privileged access while automating security operations like patching and evidence collection. Translate SOC 2 and ISO 27001 requirements into reliable technical controls and produce audit-ready evidence with the Compliance Manager.

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FursaFursa
Semaphore CI
Semaphore CI
2 days ago

Security Engineer

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Source: Company careers pageValidated by: Fursa AI
Last checked: 9 hours agoStatus: Live

Job Summary

Own Semaphore’s technical information security program across infrastructure and internal systems. Run vulnerability management end-to-end, operate and improve security monitoring/SIEM, and lead technical response to security incidents. Harden Linux hosts, cloud, networks, firewalls, containers, and IAM/privileged access while automating security operations like patching and evidence collection. Translate SOC 2 and ISO 27001 requirements into reliable technical controls and produce audit-ready evidence with the Compliance Manager.
Location: Serbia
Workplace: Remote
Employment Type: Full time
Job Function: Cybersecurity

Key Responsibilities

  • •Run the vulnerability-management lifecycle: scanning, triage, prioritization, remediation, exceptions, and verification.
  • •Operate and improve security monitoring and SIEM tooling, including alert quality, dashboards, detection rules, and integrations.
  • •Investigate security alerts and lead the technical response to security incidents.
  • •Improve security of Linux hosts, cloud infrastructure, networks, firewalls, containers, and internal services.
  • •Automate recurring security operations and translate SOC 2/ISO 27001 requirements into technical controls with audit evidence.

Key Requirements

  • •Proven ownership of technical security in a production SaaS, cloud, hosting, or infrastructure environment.
  • •Strong Linux systems, networking, and cloud-security fundamentals.
  • •Hands-on experience with vulnerability management, patching, hardening, and remediation at scale.
  • •Experience operating SIEM or security-monitoring systems and investigating security events.
  • •Practical understanding of IAM, privileged access, secrets management, certificates, and network controls.
Experience:SaaSCloudInfrastructureSIEM
Skills:OwnershipRisk judgmentCommunicationIndependent workSound judgment
Certifications:Security+CISSPCISMGIACISO 27001
Languages:English
Tech Stack:LinuxSIEMSecurity monitoringPythonBashInfrastructure-as-codeCloud infrastructureNetworksFirewallsContainersIAMPrivileged accessSecrets managementCertificatesWazuhTeleportPAMCI/CDSoftware supply-chain security

Company Brief

Semaphore CI
Semaphore (Rendered Text) is a cloud-native CI/CD platform that automates build, test, and deployment pipelines, offering cloud, self-hosted community and enterprise editions with features like visual workflows, monorepo support, and test intelligence.
Industry: Developer Tools
Company Size: Small (11 to 50 employees)
Growth: Established Company
Funding: Bootstrapped
Headquarters: Novi Sad, Serbia
Founded: 2009
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Glassdoor: 4.0
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